JP3235595B2 - Cleaning equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning device in which an upper body and a lower body can be tilted.

[0002]

2. Description of the Related Art A cleaning device, such as an electric floor polisher, in which an upper body and a lower body can be tilted, has a power cord connected to an AC power supply. It was powered.

[0003]

In such a conventional cleaning device, the power cord is always pulled during use. Therefore, attention must be paid to the power cord wrapped around the user's body or the power cord being drawn. , Use was bad.

An object of the present invention is to solve the above-mentioned problems and to provide a cleaning device which is easy to use.

[0005]

In order to achieve the above object, the present invention provides a motor for driving a cleaning tool for cleaning a surface to be cleaned and a main body having a secondary battery for supplying power to the motor. The main body is composed of a lower main body having the cleaning tool and moving a surface to be cleaned, and an upper main body having a handle portion which is attached to the lower main body so as to be tiltable, so that a power cord is not required and cleaning work can be performed. The charging stand having a mounting portion for mounting the lower body in a horizontal state has a charging base portion projecting upward from the mounting portion.
Provided with charge, the provided charging terminal for supplying power to the secondary battery to the charging stand unit, the said body being electrically connected to said charging terminal in a state of mounting the lower body to the charger Since the connection terminal is provided, the secondary battery can be charged. Further, since the upper body and the lower body can be tilted at the time of cleaning, the operability is good when cleaning by holding the handle. Further, in a state in which the upper main body is set up vertically and the lower main body is lifted, the lower main body has a lock mechanism that regulates the tilting of the upper main body and the lower main body and makes the lower main body horizontal. The lower body is not easily placed on the charging stand in a state where the main body is tilted. When performing an operation of placing the lower main body from above the charging stand in a state where the lower main body is locked in a horizontal state, a charging connection portion provided in the main body and having the charging connection terminal,
Since the charging unit is provided on the charging stand and faces the charging section having the charging terminal, the charging connection terminal and the charging terminal face each other in a state where the lower body is easily placed (horizontal state), so that the electrical connection of each terminal is also ensured. Can be done.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention comprises a motor for driving a cleaning tool for cleaning a surface to be cleaned and a main body having a secondary battery for supplying electric power to the motor, and the main body includes the cleaning tool. a lower body to move the surface to be cleaned, constitutes an upper body having a grip portion upward mounted tiltably to the lower body, for mounting thereon the lower body in a horizontal state portion
The charging stand with
A charging stand section is provided, and a charging terminal for supplying power to the secondary battery is provided on the charging base section, and the main body is electrically connected to the charging terminal while the lower main body is placed on the charging base. When the lower body is lifted by raising the upper body vertically, a lock mechanism is provided to restrict the tilting of the upper body and the lower body to make the lower body horizontal. When performing an operation of placing the lower main body from above the charging stand in a state where the lower main body is locked in a horizontal state, a charging connection portion provided on the main body and having the charging connection terminal is provided on the charging base, It is configured to face a charging section having a charging terminal.

With this configuration, electric power can be supplied to the motor from the secondary battery without using a power cord.
The usability can be improved. In addition, since the upper body and the lower body can be freely tilted during cleaning, operability is good.
In other words, when the user holds the handle attached above the upper body and moves the lower body back and forth, the upper body is free to tilt with respect to the lower body, so the push-pull operability with the handle is better. Good cleaning workability. On the other hand, in order to charge the rechargeable battery, it is necessary to place the main body on the charging stand.In this case, lift the main body from the surface to be cleaned with the handle, and take it on the charging base. Even in this moving state, the lower body is in a horizontal state by the lock mechanism, and does not tilt, thereby simplifying the mounting operation. Also, the charging connection part provided on the main body and having the charging connection terminal in a state where the lower main body can be easily placed (horizontal state) faces the charging part provided on the charging stand and having the charging terminal. The electrical connection of each terminal can be reliably performed.

[0008]

1 to 1 show an embodiment of the present invention.
3 will be described.

As shown in FIG. 1, the lower body 1 has a turntable 4 inside which a DC motor 2 rotates via a speed reducer 3. The turntable 4 is detachably mounted on the speed reducer 3. Further, a hook-and-loop fastener 6 for detachably mounting various cleaning pads 5 is adhered to the back side of the turntable 4. Reference numeral 7 denotes an upper body rotatably disposed on the lower body 1, which has a secondary battery 8 and a DC power supply 9 built therein. Reference numeral 10 denotes a main switch, 11 denotes a connector connected to an external power cord (not shown), and 12 denotes a charging / changing switch disposed near the connector 11, which is charged by inserting a power cord into the connector 11. The changeover switch 13 is the charge changeover switch 12
To switch to the AC type using the DC power supply 9 as a power source.
14 is a handle detachably attached to the upper main body 7,
It has a handle 15 at the top. The handle 14 has a lever 16 for turning on / off the main switch 10. The lever 16 is operated by a switch knob 17 provided on the handle 15. Switch knob 17 is 2
As shown in FIG. 10, a hinge portion 17a for holding ON / OFF of the main switch 10 and a hinge portion 17b for absorbing a dimensional variation in the length of the handle 14 and the lever 16 as shown in FIG. It is composed of

In FIG. 2, reference numeral 18 denotes a charging connection portion provided on the lower side of the upper main body 7 and comprises a charging / discharging switch 19, a charging / discharging switching lever 20, a charging connection terminal 21, and a battery connection terminal 22. . When the main body is placed on the pad storage / charging stand 23 described later, the charging / discharging switching lever 20 receives the charging portion 23-c in the charging connection portion 18 having the charging connection terminal 21 as shown in FIG. By pressing the knob of the charge / discharge changeover switch 19, the discharge circuit is cut off. This ensures that the secondary battery 8 is charged even when the main switch 10 is forgotten to be turned off.

FIGS. 3 and 4 show a pad storage and charging stand 2.
The front part is a pad storage part 23-a on which the lower main body 1 is placed in a horizontal state, and the storage lid is detachable.
The rear portion is a charging base 23-b having a transformer 25 and a charging terminal 26 therein and having a power cord 27. The charging base 23-b is provided with a charging terminal 23-c projecting upward and having a charging terminal 26.

At the time of charging, a terminal sliding distance is provided so that the charging connection terminal 21 of the upper body 7 is connected to the charging terminal 26 of the charging stand 23 regardless of whether the pad 5 is mounted on the turntable 4 or not. I have.

When the floor polishing machine, which is a kind of cleaning device, is placed on the charging stand 23, the lower body 1 is locked to the upper body 7 in a horizontal state as shown in FIG. As shown in FIG. 7, the lock is released, and the upper body 7 tilts naturally. This is, as shown in FIGS. 1 and 8 to 9, a pivot bearing 1 provided on the lower body 1.
When the upper body 7 is lifted up in a state where the upper body 7 is raised upright while a backlash is provided between -b and the rotating shaft 7-a provided on the upper body 7, the lower body 1 is locked horizontally. As described above, the locking ribs 1-c and 7-b are provided on the rotating bearing portion 1-b of the lower body 1 and the rotating shaft 7-a of the upper body 7. During normal use, as shown in FIG.
Is lowered by an amount corresponding to the play of the rotating portion, and the locking rib 1-c of the lower main body 1 and the locking rib 7-b of the upper main body 7 are disengaged and become rotatable. As shown in FIG. 5, when the lower main body 1 is placed on the pad / charging stand 23, when the upper main body 7 is lifted up with the upper main body 7 standing upright, the lower main body 1 is placed horizontally. Lock the pad and charge pad 2 in this horizontal state.
3, the charging connection portion 18 of the upper body 7 faces the charging terminal portion 23-c of the pad / charging stand 23 at this time.

The inclination angle of the upper main body 7 is set as follows in order to make the upper main body 7 be almost horizontal to the floor surface to be cleaned. As shown in FIGS. 6 and 7, by decentering the gear at the center of the two-stage reduction gear 3 forward, a recess 3 a is provided at the rear, and when the upper body 7 is tilted, the upper body 7 The charging connection 18 at the lower end of the
The inclination angle is increased.

Next, in order to enhance the cooling effect of the DC motor 2, an air inlet 28 is provided between the lower body 1 and the speed reducer 3 as shown in FIGS. An air outlet 29 is provided on the inner wall surface opposite to 7, and the air entering from the air inlet 28 cools the DC motor 2 and is blown out from the air outlet 29 by moving the floor grinder back and forth.

Further, the outer peripheral portion of the lower main body 1 has a flange portion protruding in accordance with the outer diameter of the pad 5 so as to be able to clean even a concave portion near a wall of furniture or the like as shown in FIG. .

As shown in FIG. 11, the turntable 4 has an integral structure 4a of a resin hinge on the outer periphery to provide cushioning and protect the floor from being damaged when the floor polisher is accidentally dropped. The effect has been improved.

The pad 5 shown in FIG. 12 is a pad for wax coating and has a three-layer structure. 5-a is a wax-coated surface having a mesh structure of nylon or the like, 5-b is a water-absorbing or oil-absorbing material such as cotton that absorbs wax, and 5-c is a nylon pile, which is detachably attached to the turntable 4. Is done. The outer periphery of the above three materials is integrally sewn with a bias tape 5-d. With this configuration, when the wax is applied, the first
The layer of nylon mesh 5-a reduces operating resistance,
The cotton portion 5-b of the layer absorbs a large amount of wax applied to the floor surface and releases the wax appropriately, thereby providing an effect of applying the wax thinly.

[0019]

As is apparent from the above embodiment, according to the present invention, the cleaning workability can be improved by eliminating the need for the power cord, and the workability of mounting the main body on the charging stand is also improved. The electrical connection between the main unit and the charging stand can also be made reliably.

[Brief description of the drawings]

FIG. 1 is a front sectional view of a cleaning device according to an embodiment of the present invention.

FIG. 2 is a side sectional view of the same.

FIG. 3 is an external perspective view of the charging stand.

FIG. 4 is a sectional view of the charging stand.

FIG. 5 is a sectional view of a state where the main body is set on a charging stand.

FIG. 6 is a plan view of the speed reducer.

FIG. 7 is a sectional view showing a state where the upper main body is inclined.

FIG. 8A is a front view around a lock mechanism between the upper body and the lower body, and FIG. 8B is a cross-sectional view around the lock mechanism.

FIG. 9 is a front view showing a state where the lock mechanism is released.

10A is a sectional view of the handle, and FIG. 10B is a side view of the switch knob.

11A is a sectional view of the turntable, and FIG. 11B is a bottom view of the turntable.

FIG. 12 is a sectional view of the wax-coated pad.

FIG. 13 is a side view showing a state in which a recess near a wall is cleaned by the cleaning device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lower main body 1-c Locking rib 2 DC motor (motor) 7 Upper main body 7-b Locking rib 8 Secondary battery 23 Pad storage and charging stand (Charging stand) 26 Charging terminal

Continuation of front page (56) References JP-A-62-87119 (JP, A) JP-A-60-123153 (JP, U) JP-A-57-143055 (JP, U) JP-A-1-69449 (JP) , U) Japanese Utility Model 1-69447 (JP, U) Japanese Utility Model 63-7701 (JP, Y2) Japanese Utility Model 63-21235 (JP, Y2) (58) Fields surveyed (Int. Cl. ⁷ , DB) A47L 11/10-11/18 A47L 11/28-11/284 A47L 5/24-5/34 A47L 11/40

Claims (1)

(57) [Claims] An electric motor for driving a cleaning tool for cleaning a surface to be cleaned, and a main body having a secondary battery for supplying electric power to the motor, the main body having the cleaning tool and moving on the surface to be cleaned. a lower body, a charging stand this mounted tiltably to the lower body constitutes an upper body having a grip portion upward, having a mounting portion for mounting the lower body in a horizontal state
Is provided with a charging base that protrudes above the mounting section
In both cases, a charging terminal for supplying power to the secondary battery is provided in the charging base portion, and a charging connection electrically connected to the charging terminal in a state where the lower main body is placed on the charging base in the main body. In a state where the terminal is provided, and the lower body is lifted while the upper body is set upright, a lock mechanism for restricting the tilting of the upper body and the lower body to make the lower body horizontal is provided, When performing an operation of placing the main body from above the charging stand in a state where the main body is locked in a horizontal state, a charging connection portion provided on the main body and having the charging connection terminal is provided on the charging base and has the charging terminal. A cleaning device configured to face the charging section.